CVE-2018-13994: High severity phoenix contact fl switch 3005 firmware vulnerability

Published May 7, 2019
·
Updated

The WebUI of PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, 48xx versions 1.0 to 1.34 is vulnerable to a denial-of-service attack by making more than 120 connections.

Affected Software

58 affected components
Phoenixcontact Fl Switch 3005 Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 3005
Phoenixcontact Fl Switch 3005t Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 3005t
Phoenixcontact Fl Switch 3004t-fx Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 3004t-fx
Phoenixcontact Fl Switch 3004t-fx St Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 3004t-fx St
Phoenixcontact Fl Switch 3008 Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 3008
Phoenixcontact Fl Switch 3008t Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 3008t
Phoenixcontact Fl Switch 3006t-2fx Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 3006t-2fx
Phoenixcontact Fl Switch 3006t-2fx St Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 3006t-2fx St
Phoenixcontact Fl Switch 3012e-2sfx Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 3012e-2sfx
Phoenixcontact Fl Switch 3016e Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 3016e
Phoenixcontact Fl Switch 3016 Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 3016
Phoenixcontact Fl Switch 3016t Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 3016t
Phoenixcontact Fl Switch 3006t-2fx Sm Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 3006t-2fx Sm
Phoenixcontact Fl Switch 4008t-2sfp Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 4008t-2sfp
Phoenixcontact Fl Switch 4008t-2gt-4fx Sm Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 4008t-2gt-4fx Sm
Phoenixcontact Fl Switch 4008t-2gt-3fx Sm Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 4008t-2gt-3fx Sm
Phoenixcontact Fl Switch 4808e-16fx Lc-4gc Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 4808e-16fx Lc-4gc
Phoenixcontact Fl Switch 4808e-16fx Sm-4gc Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 4808e-16fx Sm-4gc
Phoenixcontact Fl Switch 4808e-16fx Sm St-4gc Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 4808e-16fx Sm St-4gc
Phoenixcontact Fl Switch 4808e-16fx St-4gc Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 4808e-16fx St-4gc
Phoenixcontact Fl Switch 4808e-16fx-4gc Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 4808e-16fx-4gc
Phoenixcontact Fl Switch 4808e-16fx Sm Lc-4gc Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 4808e-16fx Sm Lc-4gc
Phoenixcontact Fl Switch 4012t 2gt 2fx Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 4012t 2gt 2fx
Phoenixcontact Fl Switch 4012t-2gt-2fx St Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 4012t-2gt-2fx St
Phoenixcontact Fl Switch 4824e-4gc Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 4824e-4gc
Phoenixcontact Fl Switch 4800e-24fx-4gc Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 4800e-24fx-4gc
Phoenixcontact Fl Switch 4800e-24fx Sm-4gc Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 4800e-24fx Sm-4gc
Phoenixcontact Fl Switch 3012e-2fx Sm Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 3012e-2fx Sm
Phoenixcontact Fl Switch 4000t-8poe-2sfp-r Firmware>=1.0<=1.34
Phoenixcontact Fl Switch 4000t-8poe-2sfp-r

Event History

May 7, 2019
CVE Published
via MITRE·05:36 PM
Data Sourced
via MITRE·05:36 PM
DescriptionSeverity
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2018-13994?

CVE-2018-13994 is classified as a high severity vulnerability due to its potential to cause a denial-of-service attack.

2

How do I fix CVE-2018-13994?

To mitigate CVE-2018-13994, it is recommended to update the affected Phoenix Contact FL SWITCH firmware to version 1.35 or later.

3

What versions are affected by CVE-2018-13994?

CVE-2018-13994 affects Phoenix Contact FL SWITCH versions 1.0 to 1.34.

4

What type of attack does CVE-2018-13994 involve?

CVE-2018-13994 involves a denial-of-service attack facilitated by exceeding 120 simultaneous connections.

5

Is CVE-2018-13994 remotely exploitable?

Yes, CVE-2018-13994 can be remotely exploited if an attacker can establish more than 120 connections.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203